Astrid Berges-Frisbey will play Arthur's eventual wife and queen of Camelot. Read the full article on AICN "Guineveeeeeeere had green eyes…" To play the female lead opposite Charlie Hunnam's Arthur in KNIGHTS OF THE ROUNDTABLE, Guy Ritchie's enlisted the talents of relative unknown Astrid Berges-Frisbey. Berges-Frisbey is a Spanish-born actress who made her English-language debut playing the only nice mermaid in PIRATES OF THE CARIBBEAN: ON STRANGER TIDES.